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Keywords: film cooling
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Proceedings Papers

Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A003, June 16–18, 2021
Paper No: HT2021-62615
... Abstract Film cooling performance of the cylindrical film holes and the bifurcated film holes on the leading edge model of the turbine blade are investigated in this paper. The suitability of different turbulence models to predict local and average film cooling effectiveness is validated...
Proceedings Papers

Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A004, June 16–18, 2021
Paper No: HT2021-63467
... Abstract A numerical study has been performed to validate the multiphase CFD model (DPM) by comparing its results to the experimental data of an air/mist film cooling study. The complete experimental test section was simulated including all the details including all the five holes, side walls...
Proceedings Papers

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A002, July 14–17, 2019
Paper No: HT2019-3464
... of the air/mist fluid flow inside and outside the vanes as well as the heat conduction through the vane body. The complete 3-D vane with internal cooling passages and external film cooling holes on the surface is simulated in a rotational periodic sector. The discrete phase model (DPM) is used to simulate...
Proceedings Papers

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A001, July 14–17, 2019
Paper No: HT2019-3401
... Abstract In modern gas turbines, film cooling is the most common and efficient way to provide thermal protection for hot components. Secondary holes to a primary film cooling hole are used to improve film cooling performance by creating anti-kidney vortices, a technique that has been well...
Proceedings Papers

Proc. ASME. HT2009, Volume 2: Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Computational Heat Transfer, 529-538, July 19–23, 2009
Paper No: HT2009-88141
... End-wall film cooling technique is an advanced technology which has been employed in modern gas turbines to protect the surface of the end-wall. The sophistication of this technique has allowed an increase in the combustor outlet temperature, resulting in higher engine overall efficiency...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 3, 1-8, July 17–22, 2005
Paper No: HT2005-72037
... technology that is based on super alloy panels. This has the potential for significant cooling air saving that can be re-introduced in the combustor dome region and result in lower NOx emissions. 03 04 2009 Integrally Woven SiC-SiC CMC Film Cooling Combustors Emissions Proceedings...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 3, 85-94, July 17–22, 2005
Paper No: HT2005-72573
... platform between two vanes. 03 04 2009 endwall contouring nozzle secondary flows heat transfer turbine vane leakage film cooling Proceedings of HT2005 KEYWO heat trans NOMEN C a Cax a Cp s D d Du u h c I m k t L s MFR m P p q h R r Proceedings of HT2005 1 Copyright © 2005...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 595-600, July 11–15, 2004
Paper No: HT-FED2004-56296
... A numerical simulation was conducted to investigate the film effectiveness of film cooling using a single hole with two types of geometry: cylindrical hole with constant cross section and shaped hole with conically widened exit. The film cooling jet was injected through a 30° inclined hole...